# Establishment of Class E5 Airspace; Black River Falls, WI
> **Rule** · Direct final rule; request for comments. · Published 2008-02-11 · Effective 2008-04-10 · 73 FR 7668
## Document
- **Document number:** 08-528
- **Category:** airspace
- **Type:** Rule
- **Action:** Direct final rule; request for comments.
- **Citation:** 73 FR 7668
- **Publication date:** 2008-02-11
- **Effective date:** 2008-04-10
- **FAA docket:** Docket No. FAA-2008-0024
## Abstract

This action establishes Class E5 airspace at Black River Falls, WI. Additional controlled airspace is necessary to accommodate aircraft using new RNAV Global Positioning System (GPS) Standard Instrument Approach Procedures (SIAP) at Black River Falls Area. The FAA proposes this action to enhance the safety and management of Instrument Flight Rules (IFR) aircraft operations at Black River Falls Area Airport, Black River Falls, WI.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/02/11/08-528/establishment-of-class-e5-airspace-black-river-falls-wi)
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